Methotrexate Tablet Dosage (Kitni leni hai)
> LIFE-SAVING WARNING: Methotrexate for RA and psoriasis is taken WEEKLY — NOT DAILY. Daily dosing can cause serious toxicity and death. Confirm "weekly" in writing on the prescription.
Adult Dose (Baalgon ke liye)
- As prescribed by your doctor
- RA/Psoriasis: WEEKLY dose — one fixed day per week (e.g., every Saturday)
- Starting dose: As directed by doctor (e.g., 7.5mg once weekly)
- Usual dose: As directed by doctor (commonly 10mg–25mg once weekly for RA)
- Choose one fixed day each week — as directed by your doctor
Starting Dose: As directed by doctor (commonly 7.5mg–10mg once weekly for RA)
Usual Dose: As directed by doctor (adjusted based on response and tolerance)
Max Weekly Dose: As directed by doctor — generally 25mg/week for RA
Folic Acid Co-prescription (Zaroori)
- Folic acid 5mg must be taken weekly on a SEPARATE day from Methotrexate
- Never take both on the same day — it can reduce effectiveness
- This reduces side effects (mouth ulcers, nausea)
Monitoring Requirements (Regular Tests Zaroori)
- CBC (Complete Blood Count) — bone marrow suppression check
- LFTs (Liver Function Tests) — hepatotoxicity monitor
- Creatinine / kidney function tests
- Always follow your doctor's monitoring schedule
Child Dose (Bachon ke liye)
Under paediatric rheumatologist or specialist supervision — do not decide the dose yourself.
How to Take (Kaise lena hai)
- Once WEEKLY — one fixed day per week
- Same day every week — choose one fixed day
- Taking after food is better — reduces nausea
- Folic acid on a SEPARATE day
Missed Dose (Dose chhoot jaye to kya karein)
If you miss the weekly dose, take it as soon as you remember within that week. Return to the normal schedule the following week. NEVER TAKE A DOUBLE DOSE.
Overdose (Zyada Dose)
Methotrexate overdose is life-threatening. Contact the emergency room immediately. The antidote (Leucovorin) is only available in a hospital setting.
Dose Summary Table
| Patient | Dose | Frequency | Notes |
|---|---|---|---|
| Adult (RA) | As directed by doctor | WEEKLY (not daily) | Folic acid on a separate day |
| Adult (Psoriasis) | As directed by doctor | WEEKLY (not daily) | Monitoring required |
| Child | Specialist only | Specialist decides | Paediatric rheumatologist |
The information in this guide is for educational purposes only. Always confirm the dose with your doctor or pharmacist.